Conditional Probabilityhard
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A tree diagram shows that event A splits into branches B and C with probabilities 0.3 and 0.7. From B, event D occurs with probability 0.4. From C, event D occurs with probability 0.2. What is P(D)?
A tree diagram shows that event A splits into branches B and C with probabilities 0.3 and 0.7. From B, event D occurs with probability 0.4. From C, event D occurs with probability 0.2. What is P(D)?